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Abstract

The large-scale automated transaction systems of the near future can be designed to protect the privacy and maintain the security of both individuals and organizations. DAVID CHAUM Computerization is robbing individuals of the ability to monitor and control the ways information about them is used. As organizations in both the private and the public sectors routinely exchange such information, individ.uals have no way of knowing if the information is inaccurate, obsolete, or otherwise inappropriate. The foundation is being laid for a dossier society, in which computers could be used to infer individuals ’ life-styles, habits, whereabouts, and associations from data collected in ordinary consumer transactions. Uncertainty about whether data will remain